// Copyright (C) 2004, 2009 Free Software Foundation
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// Copyright (C) 2004, 2009 Free Software Foundation
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//
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//
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// This file is part of the GNU ISO C++ Library. This library is free
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// This file is part of the GNU ISO C++ Library. This library is free
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// software; you can redistribute it and/or modify it under the
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// software; you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the
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// terms of the GNU General Public License as published by the
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// Free Software Foundation; either version 3, or (at your option)
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// Free Software Foundation; either version 3, or (at your option)
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// any later version.
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// any later version.
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// This library is distributed in the hope that it will be useful,
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License along
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// You should have received a copy of the GNU General Public License along
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// with this library; see the file COPYING3. If not see
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// with this library; see the file COPYING3. If not see
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// <http://www.gnu.org/licenses/>.
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// <http://www.gnu.org/licenses/>.
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// 27.6.1.3 unformatted input functions
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// 27.6.1.3 unformatted input functions
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// NB: ostream has a particular "seeks" category. Adopt this for istreams too.
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// NB: ostream has a particular "seeks" category. Adopt this for istreams too.
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// @require@ %-*.tst %-*.txt
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// @require@ %-*.tst %-*.txt
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// @diff@ %-*.tst %-*.txt
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// @diff@ %-*.tst %-*.txt
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// { dg-xfail-run-if "not supported on OR32 newlib" { or32-*-elf } }
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#include <istream>
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#include <istream>
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#include <sstream>
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#include <sstream>
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#include <fstream>
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#include <fstream>
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#include <testsuite_hooks.h>
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#include <testsuite_hooks.h>
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// stringstreams
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// stringstreams
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void test05(void)
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void test05(void)
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{
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{
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typedef std::wistream::off_type off_type;
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typedef std::wistream::off_type off_type;
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bool test __attribute__((unused)) = true;
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bool test __attribute__((unused)) = true;
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std::wistream::pos_type pos01, pos02, pos03, pos04, pos05, pos06;
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std::wistream::pos_type pos01, pos02, pos03, pos04, pos05, pos06;
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std::ios_base::iostate state01, state02;
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std::ios_base::iostate state01, state02;
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const char str_lit01[] = "wistream_seeks-1.tst";
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const char str_lit01[] = "wistream_seeks-1.tst";
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std::wifstream if01(str_lit01);
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std::wifstream if01(str_lit01);
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std::wifstream if02(str_lit01);
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std::wifstream if02(str_lit01);
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std::wifstream if03(str_lit01);
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std::wifstream if03(str_lit01);
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VERIFY( if01.good() );
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VERIFY( if01.good() );
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VERIFY( if02.good() );
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VERIFY( if02.good() );
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VERIFY( if03.good() );
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VERIFY( if03.good() );
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std::wstringbuf strbuf01(std::ios_base::in | std::ios_base::out);
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std::wstringbuf strbuf01(std::ios_base::in | std::ios_base::out);
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if01 >> &strbuf01;
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if01 >> &strbuf01;
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// initialize stringbufs that are ios_base::out
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// initialize stringbufs that are ios_base::out
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std::wstringbuf strbuf03(strbuf01.str(), std::ios_base::out);
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std::wstringbuf strbuf03(strbuf01.str(), std::ios_base::out);
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// initialize stringbufs that are ios_base::in
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// initialize stringbufs that are ios_base::in
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std::wstringbuf strbuf02(strbuf01.str(), std::ios_base::in);
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std::wstringbuf strbuf02(strbuf01.str(), std::ios_base::in);
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std::wistream is01(&strbuf01);
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std::wistream is01(&strbuf01);
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std::wistream is02(&strbuf02);
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std::wistream is02(&strbuf02);
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std::wistream is03(&strbuf03);
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std::wistream is03(&strbuf03);
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// pos_type tellg()
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// pos_type tellg()
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// in | out
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// in | out
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pos01 = is01.tellg();
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pos01 = is01.tellg();
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pos02 = is01.tellg();
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pos02 = is01.tellg();
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VERIFY( pos01 == pos02 );
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VERIFY( pos01 == pos02 );
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// in
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// in
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pos03 = is02.tellg();
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pos03 = is02.tellg();
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pos04 = is02.tellg();
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pos04 = is02.tellg();
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VERIFY( pos03 == pos04 );
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VERIFY( pos03 == pos04 );
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// out
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// out
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pos05 = is03.tellg();
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pos05 = is03.tellg();
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pos06 = is03.tellg();
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pos06 = is03.tellg();
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VERIFY( pos05 == pos06 );
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VERIFY( pos05 == pos06 );
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// cur
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// cur
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// NB: see library issues list 136. It's the v-3 interp that seekg
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// NB: see library issues list 136. It's the v-3 interp that seekg
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// only sets the input buffer, or else istreams with buffers that
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// only sets the input buffer, or else istreams with buffers that
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// have _M_mode == ios_base::out will fail to have consistency
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// have _M_mode == ios_base::out will fail to have consistency
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// between seekg and tellg.
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// between seekg and tellg.
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state01 = is01.rdstate();
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state01 = is01.rdstate();
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is01.seekg(10, std::ios_base::cur);
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is01.seekg(10, std::ios_base::cur);
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state02 = is01.rdstate();
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state02 = is01.rdstate();
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pos01 = is01.tellg();
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pos01 = is01.tellg();
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VERIFY( pos01 == pos02 + off_type(10) );
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VERIFY( pos01 == pos02 + off_type(10) );
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VERIFY( state01 == state02 );
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VERIFY( state01 == state02 );
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pos02 = is01.tellg();
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pos02 = is01.tellg();
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VERIFY( pos02 == pos01 );
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VERIFY( pos02 == pos01 );
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}
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}
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int main()
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int main()
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{
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{
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test05();
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test05();
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return 0;
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return 0;
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}
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}
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